#!/usr/bin/env python3

import argparse
import subprocess
import os

parser = argparse.ArgumentParser(description='A recorded scenario player for EFL-based applications.\n\n'
  'Actions recorded with `exactness_record` can be played back with this\n'
  'application and screenshots obtained. It is typically more convenient to\n'
  'use the `exactness` wrapper in "play" mode to process files in batches.',
  formatter_class=argparse.RawDescriptionHelpFormatter,
  epilog='Example:\n'
  'exactness_play -s -t my_app.exu -- my_app --app --arguments')
parser.add_argument('app', metavar='app', help='The app to run. You can also pass environment variables here. '
  'Use a -- if you need to provide arguments to the app.',
  type=str, nargs='*')
parser.add_argument('-o', '--output', metavar='output', help="Destination for the shots. "
          "If a `.exu` file is given, the shots are stored in the file. "
          "Otherwise the given path is considered as a directory "
          "where shots will be stored. "
          "If omitted, the output type (exu or dir) is determined "
          "by the given test extension (resp. exu or rec).", type=str)
parser.add_argument('-t', '--tests', metavar='tests', help='Name of the file where to store the test.', type=str)
parser.add_argument('-s', '--show-on-screen', help='Show on screen', action='store_true', default=False)
parser.add_argument('--scan-objects', help='Extract information of all the objects at every shot.', action='store_true')
parser.add_argument('--external-injection', help='Expect events injection via Eina debug channel.', action='store_true')
parser.add_argument('--disable-screenshots', help='Disable screenshots.', action='store_true')
parser.add_argument('-f', '--fontsdir', metavar='fontsdir', help='Specify a directory of the fonts that should be used.', type=str)
parser.add_argument('--stabilize-shots', help='Wait for the frames to be stable before taking the shots.', action='store_true')
parser.add_argument('--speed', metavar='speed', help='Set the speed used to play the given test (default 1.0).', type=float, default=1.0)
parser.add_argument('-v', '--verbose', help='Turn verbose messages on', action='store_true')
parser.add_argument('-L', '--license', help='Print license information and exit.', action='store_true')
parser.add_argument('-C', '--copyright', help='Print copyright information and exit.', action='store_true')
parser.add_argument('-V', '--version', help='Print version information and exit.', action='store_true')

G = parser.parse_args()

if G.license:
  print("BSD.")
  exit(0)

if G.copyright:
  print("(C) 2017-2020 Enlightenment.")
  exit(0)

if G.version:
  print(@VERSION@)
  exit(0)

spawn_env = os.environ.copy()
spawn_env["LD_PRELOAD"] = @EXACTNESS_PLAY_PRELOAD_PATH@

if G.tests == None and G.external_injection == True:
  print("no test file specified")
  exit(-1)
if G.tests != None and G.external_injection == True:
  print("Cannot inject events from a source file and from outside simultaneously")
  exit(-1)
if G.scan_objects == True and G.tests.endswith(".exu"):
  printf("Scan objects options is available only if the destination is a EXU file")
  exit(-1)

if G.output != None:
  spawn_env["EXACTNESS_DEST"] = G.output;
if G.external_injection:
  spawn_env["EXACTNESS_EXTERNAL_INJECTION"] = "Yes"
if G.tests != None:
  spawn_env["EXACTNESS_SRC"] = G.tests
if G.fontsdir != None:
  spawn_env["EXACTNESS_FONTS_DIR"] = G.fontsdir
if G.speed != 1.0:
  spawn_env["EXACTNESS_SPEED"] = G.speed
if G.scan_objects:
  spawn_env["EXACTNESS_SCAN_OBJECTS"] = "Yes"
if G.disable_screenshots:
  spawn_env["EXACTNESS_DISABLE_SHOTS"] = "Yes"
if G.stabilize_shots:
  spawn_env["EXACTNESS_STABILIZE_SHOTS"] = "Yes"
if G.verbose:
  spawn_env["EXACTNESS_VERBOSE"] = "Yes"
if G.show_on_screen == False:
  spawn_env["ELM_DISPLAY"] = "buffer"

passed_all_the_env_vars = False
app = []

for argument in G.app:
  if '=' not in argument:
    passed_all_the_env_vars = True
  else:
    if passed_all_the_env_vars:
      print("Error, env vars can only be specified at the beginning of the app call line")
      exit(-1)
    split_env_var = argument.split('=')
    spawn_env[split_env_var[0]] = split_env_var[1]

  if passed_all_the_env_vars:
    app.append(argument)

recorder = subprocess.Popen(app, env=spawn_env)
recorder.wait()
